Large DOM sizes can be a factor in whether interactions are fast or not. Learn more about the relationship between DOM size and INP, and what you can do to reduce DOM size and other ways to limit rendering work when your page has lots of DOM elements.| web.dev
Analyze CSS selector performance during Recalculate Style events.| Chrome for Developers
Frontend web developer, turned engineering manager.| nooshu.com
Learn how to optimize your website's Interaction to Next Paint.| web.dev
A guide to considerations when implementing speculation rules, particularly for more complex sites.| Chrome for Developers
Users notice if sites and apps don't run well, so optimizing rendering performance is crucial!| web.dev
Learn What is Google PageSpeed Insights and Optimize the Google PageSpeed Insights Score Like Never Before with 10 Pro Tips!| StoreSEO
Boost your WordPress site's performance in 2025 with Core Web Vitals optimization tips. Improve LCP, FID, and CLS for better speed, UX, and SEO rankings.| MarkupTrend
Page Weight chapter of the 2024 Web Almanac covering why page weight matters, bandwidth, complex pages, page weight over time, page requests, and file formats.| almanac.httparchive.org
Learn about Google's Core Web Vitals, key metrics, tools to measure them, and strategies to improve your site's performance and rankings."| Setupad.com
Publication mise en cache pour en conserver une trace.| larlet.fr
Make sure your site is set up for success in 2024.| RebelMouse
Discover the features included in Interop 2025.| web.dev
I had the pleasure of attending the performance.now() conference in Amsterdam. Here are some of the highlights from the event.| iO tech_hub
Frameworkism is now the dominant creed of today's frontend discourse, and it's bullshit. We owe it to ourselves and to our users to reject dogma and embrace engineering as a discipline that strives to serve users first and foremost.| Infrequently Noted
Alex Russell on browsers, standards, and the process of progress.| Infrequently Noted
SNAP benefits sites for more than 20% of Americans are unusably slow. All of them would be significantly faster if states abandoned client-side-rendering, and along with it, the legacy JavaScript frameworks (React, Angular, etc.) built to enable the SPA model.| Infrequently Noted
Read about the most important metrics and Core Web Vitals for understanding WordPress website performance. Learn why they matter and how to check and improve them.| Crocoblock
Details on the latest changes to the CrUX dataset.| Chrome for Developers
Technical documentation on CrUX metrics.| Chrome for Developers
Struggling with a slow website? The web performance community helps you fix Interaction to Next Paint (INP), the latest Core Web Vital metric, for faster, smoother user experiences.| RUMvision [Real User Monitoring]
Site performance is very important, first of all, from the perspective of users, who expect a good experience when visiting the site. The user should not wait too long for the page to load. We all know how annoying it can be when we want to press an element and it jumps to another place on the page or when we click on a button and then nothing happens for a very long time. The state of a site’s performance in these aspects is measured by Web Vitals performance metrics and most importantly b...| blog.allegro.tech
You've looked through your field data, and it turns out that you have some slow interactions. The next step is to learn more about how to manually test those interactions, and identify the causes behind them.| web.dev
Google introduced the new Interaction to Next Paint. We explain what INP is and how you can optimize your WordPress website to improve your INP score.| Accelera
On March 12, 2024, Google replaced the Core Web Vital metric First Input Delay (FID) with a new measurement, Interaction to Next Paint (INP). On May 10, 2023, Google announced the impending launch of the new metric, giving website owners advanced notice of the coming change to Core Web Vitals. For both INP and FID, the general…| NerdPress®
Learn why tools that monitor Core Web Vitals metrics may report different numbers, and how to interpret those differences.| web.dev
How much HTML, CSS, and JavaScript can we afford? More than in years past, but much less than frontend developers are burdening users with.| Infrequently Noted
Learn about the latest and most recent Google Search Central documentation updates. Stay current with what's new at Google Search Central.| Google for Developers
Learn how to optimize Interaction to Next Paint (INP) in WordPress for better performance and SEO. Includes tips, tools, and troubleshooting solutions.| Blocksy
Learn how to get started with browser-based end-to-end performance testing for WordPress sites, plugins and themes.| Pascal Birchler
Recommendations for implementing logic and rendering in apps.| web.dev
The Chrome team announces that INP is no longer experimental and will replace FID as a Core Web Vital in 2024| web.dev
Find out what the browser preload scanner is, how it helps performance, and how you can stay out of its way.| web.dev
You've been told "don't block the main thread" and "break up your long tasks", but what does it mean to do those things?| web.dev
Learn to optimize your pages for instant loads when using the browser's back and forward buttons.| web.dev
Fix poor user experiences on your siteThe Core Web Vitals report shows how your pages perform, based on real world usage data (sometimes called field data).| support.google.com
User-centric performance metrics are a critical tool in understanding and improving the experience of your site in a way that benefits real users.| web.dev
Performance chapter of the 2022 Web Almanac covering Core Web Vitals, with deep dives into the Largest Contentful Paint, Cumulative Layout Shift, and First Input Delay metrics and their diagnostics.| almanac.httparchive.org
Loading and interactivity performance as experienced by real-world Chrome users across a diverse set of hardware and network conditions, powered by the Chrome User Experience Report.| httparchive.org
JavaScript chapter of the 2022 Web Almanac covering the usage of JavaScript on the web, libraries and frameworks, compression, web components, and source maps.| almanac.httparchive.org
PageSpeed Insights (PSI) reports on the user experience of a page on both mobile and desktop| Google for Developers